SN74HC245DWR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。SN74HC245DWR Price reference $ 0.179800。SN74HC245DWR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SN74HC245DWR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial